Which part would you want to use first?

SELECT * FROM gallery2 WHERE topic_id="228535" UNION SELECT * FROM gallery2 WHERE topic_id="189064" UNION SELECT * FROM gallery2 WHERE topic_id="1757798" UNION SELECT * FROM gallery2 WHERE topic_id="1318613" UNION SELECT * FROM gallery2 WHERE topic_id="1704098" UNION SELECT * FROM gallery2 WHERE topic_id="772307" UNION SELECT * FROM gallery2 WHERE topic_id="945360" UNION SELECT * FROM gallery2 WHERE topic_id="505123" UNION SELECT * FROM gallery2 WHERE topic_id="615945" UNION SELECT * FROM gallery2 WHERE topic_id="120581" UNION SELECT * FROM gallery2 WHERE topic_id="592534" UNION SELECT * FROM gallery2 WHERE topic_id="1454769" UNION SELECT * FROM gallery2 WHERE topic_id="977140" UNION SELECT * FROM gallery2 WHERE topic_id="1322070" UNION SELECT * FROM gallery2 WHERE topic_id="1140035" UNION SELECT * FROM gallery2 WHERE topic_id="271157"